T-SB-0053-18

June 26, 2018

Rear Door Wire Harness Symptoms and Diagnosis
Service
Category

Audio/Visual/Telematics

Section

Audio/Video

Market USA

Applicability
YEAR(S)

MODEL(S)

2016 - 2017

Tacoma

ADDITIONAL INFORMATION

Introduction

Some 2016 – 2017 model year Tacoma D-Cab vehicles may exhibit one or more of the following
conditions (some conditions may be intermittent).









No sound from speakers
No bass from speakers
Muffled sound from speakers
Inoperative power door locks
Inoperative power windows
No answer-back (beep/chirp) after locking the doors via key fob
Interior illumination inoperative (lighting within HVAC controls, instrument panel switches,
door panel switches, etc.)
Open fuses for one or more of the systems listed above

Follow the Repair Procedure in this bulletin to address these conditions.

Production Change Information

This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL

Tacoma

CAB

Double

PLANT

TMMBC

VDS

PRODUCTION CHANGE EFFECTIVE VIN

AZ5CN

3TMAZ5CN#HM047390

EZ5CN

3TMEZ5CN#HM047428

BZ5DN

3TMBZ5DN#HM010643

CZ5AN

3TMCZ5AN#HM103055

GZ5AN

3TMGZ5AN#HM103052

DZ5BN

3TMDZ5BN#HM030865

© 2018 Toyota Motor Sales, USA

Page 1 of 21

T-SB-0053-18

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Rear Door Wire Harness Symptoms and Diagnosis
Warranty Information
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

EL1806

R & R Rear Door Wire Harness (One Side)

0.9

72

73

Combo A

Opposite Side

0.7

82153-04130
and/or
82154-04030

APPLICABLE WARRANTY
 This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.

Parts Information
PART NUMBER

PART NAME

QTY

82153-04130

Wire, Rear Door No. 1

1

82154-04030

Wire, Rear Door No. 2

1

PREVIOUS

NEW

Required Tools & Equipment
REQUIRED EQUIPMENT

SUPPLIER

Techstream 2.0*
Techstream Lite

PART NUMBER

QTY

TS2UNIT
ADE

Techstream Lite (Green Cable)

TSLITEPDLR01
TSLP2DLR01

* Essential SST.

NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 13.10.019 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
 Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.

© 2018 Toyota Motor Sales, USA

1

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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis

1. Confirm the condition exists.
Does the vehicle exhibit one or more of the conditions listed in the Introduction?
NOTE
Additional confirmation details can be found on page 6 in the Symptom Diagnosis Links subsection.



YES — Continue to step 2.



NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.

2. Open the rear LH door and locate the rear
door wire harness grommet.

Figure 1.

3. Separate the grommet from the B-pillar.

Figure 2.

© 2018 Toyota Motor Sales, USA

T-SB-0053-18

June 26, 2018

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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis (continued)

4. Carefully pull the harness out of the B-pillar and disconnect the door/floor wire harnesses.
Figure 3.

Figure 4.

5. Carefully inspect the rear door harness wire insulation for damage near the connector.
Do ANY of the wires show signs of cuts/chaffing/shorting to ground?


YES — Harness replacement is required due to B-pillar damage. Go to step 8.



NO — Continue to step 6.

6. Connect the door wire harness to the floor
wire harness.

Figure 5.

© 2018 Toyota Motor Sales, USA

T-SB-0053-18

June 26, 2018

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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis (continued)

7. Install the grommet to the B-pillar, with the arrow pointing UP.
Figure 6.

Figure 7.

8. Repeat steps 2 – 4 on the RH side of the vehicle.
9. Carefully inspect the rear door harness wire insulation for damage near the connector.
Do ANY of the wires show signs of cuts/chaffing/shorting to ground?


YES — Go to step 12.



NO — This bulletin does NOT apply. Complete steps 10 – 11 and continue diagnosis
using the applicable Repair Manual.

10. Connect the RH door wire harness to the floor wire harness.
11. Install the grommet to the B-pillar, with the arrow pointing UP.
12. Do ANY of the rear door wire harnesses need replacement due to B-pillar damage?


YES — Go to the Repair Procedure in this Service Bulletin.



NO — Continue to the Symptom Diagnosis Links section.

© 2018 Toyota Motor Sales, USA

T-SB-0053-18

June 26, 2018

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Rear Door Wire Harness Symptoms and Diagnosis
Diagnosis (continued)
Symptom Diagnosis Links

1. Condition: Muffled sound and no sound or bass from speakers.
Refer to TIS, applicable model and model year Repair Manual:


2016 – 2017 Tacoma:
Audio/Visual/Telematics – Audio/Video – “Audio / Video: Audio and Visual System:
Problem Symptoms Table”

2. Condition: Inoperative power door locks.
Refer to TIS, applicable model and model year Repair Manual:


2016 – 2017 Tacoma:
Vehicle Interior – Door Lock – “Door Lock: Power Door Lock Control System:
Problem Symptoms Table”



2016 – 2017 Tacoma:
Vehicle Interior – Door Lock – “Door Lock: Wireless Door Lock Control System
(w/ Smart Key System) / (w/o Smart Key System): Problem Symptoms Table”

3. Condition: Inoperative power windows.
Refer to TIS, applicable model and model year Repair Manual:


2016 Tacoma:
Vehicle Interior – All – “Window / Glass: Power Window Control System:
(w/ Jam Protection Function) / (w/o Jam Protection Function):
Problem Symptoms Table”



2017 Tacoma:
Vehicle Interior – All – “Window / Glass: Power Window Control System:
(w/ Jam Protection Function) / (w/o Jam Protection Function):
Problem Symptoms Table”

4. Condition: No answer-back (beep/chirp) after locking the doors via key fob.
Refer to TIS, applicable model and model year Repair Manual:


2016 – 2017 Tacoma:
Vehicle Interior – Door Lock – “Door Lock: Wireless Door Lock Control System
(w/ Smart Key System) / (w/o Smart Key System): No Answer-Back”

5. Condition: Inoperative interior illumination (lighting within instrument panel switches, door
panel switches, etc.).
Refer to TIS, applicable model and model year Electrical Wiring Diagram:


2016 – 2017 Tacoma:
System Circuit – Body Electrical – “Body Electrical: Illumination”

© 2018 Toyota Motor Sales, USA

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June 26, 2018

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Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure
HINT
 Use the same procedure for the LH and RH sides.
 The procedure described below is for the LH side.
NOTICE
 AFTER turning the ignition switch OFF, waiting time may be required BEFORE disconnecting
the cable from the negative (–) battery terminal.
 Make sure to read the disconnecting the cable from the negative (–) battery terminal notices
BEFORE proceeding.
Refer to TIS, applicable model and model year Repair Manual:
 2016 – 2017 Tacoma:
General – Introduction – “Introduction: Repair Instruction: Precaution”
 Roll the window up (closed) BEFORE proceeding.